diff --git a/mirzaev/yii2/arangodb/Query.php b/mirzaev/yii2/arangodb/Query.php
index 8545b5d..49892ba 100644
--- a/mirzaev/yii2/arangodb/Query.php
+++ b/mirzaev/yii2/arangodb/Query.php
@@ -820,22 +820,22 @@ class Query extends Component implements QueryInterface
     {
         // Инициализация
         $query ?? $query = $this;
-        $this->in ?? $this->in = $this->collection ?? throw new Exception('Не найдена коллекция');
-        $this->for ?? $this->for = $this->in;
-        $this->collection ?? $this->collection = is_array($this->for) ? $this->in : $this->for;
+        $query->in ?? $query->in = $query->collection ?? throw new Exception('Не найдена коллекция');
+        $query->for ?? $query->for = $query->in;
+        $query->collection ?? $query->collection = $query->in;
 
         $params = array_merge($params, $query->params);
 
         $clauses = [
-            static::genFor($query->for),
-            static::genIn($query->in, $query->traversals),
-            static::genLet($query->lets),
-            $this->genForeach($query->foreach),
-            $this->genWhere($query->where, $params),
-            isset($this->search) ? $this->genSearch($this->search, $this->searchType) : null,
-            $this->genOrderBy($query->orderBy, $params),
-            $this->genLimit($query->limit, $query->offset, $params),
-            $this->genSelect($query->select, $params),
+            $query::genFor($query->for),
+            $query::genIn($query->in, $query->traversals),
+            $query::genLet($query->lets),
+            $query->genForeach($query->foreach),
+            $query->genWhere($query->where, $params),
+            isset($query->search) ? $query->genSearch($query->search, $query->searchType) : null,
+            $query->genOrderBy($query->orderBy, $params),
+            $query->genLimit($query->limit, $query->offset, $params),
+            $query->genSelect($query->select, $params),
         ];
 
         $aql = implode($query->separator, array_filter($clauses));
@@ -928,8 +928,8 @@ class Query extends Component implements QueryInterface
     public function insert($columns, $params = [], $db = null)
     {
         // Инициализация
-        $this->in ?? (isset($this->collection) ? $this->in = $this->collection : throw new Exception('Не найдена коллекция'));
-        $this->collection ?? $this->collection = is_array($this->for) ? $this->in : $this->for;
+        $this->in ?? $this->in = $this->collection ?? throw new Exception('Не найдена коллекция');
+        $this->collection ?? $this->collection = $this->in ;
 
         $data = Serializer::encode($columns);
 
@@ -976,7 +976,7 @@ class Query extends Component implements QueryInterface
         // Инициализация
         $this->in ?? $this->in = $this->collection ?? throw new Exception('Не найдена коллекция');
         $this->for ?? $this->for = $this->in;
-        $this->collection ?? $this->collection = is_array($this->for) ? $this->in : $this->for;
+        $this->collection ?? $this->collection = $this->in;
 
         $clauses = [
             static::genFor($this->for),
@@ -1028,7 +1028,7 @@ class Query extends Component implements QueryInterface
         // Инициализация
         $this->in ?? $this->in = $this->collection ?? throw new Exception('Не найдена коллекция');
         $this->for ?? $this->for = $this->in;
-        $this->collection ?? $this->collection = is_array($this->for) ? $this->in : $this->for;
+        $this->collection ?? $this->collection = $this->in;
 
         $clauses = [
             static::genFor($this->for),